Lindsay882
Lindsay882 Lindsay882
  • 03-04-2018
  • Mathematics
contestada

Show all work. What are the zeros of the function?
f(x) = 2x^2 − 8x − 10

Respuesta :

Stiaen
Stiaen Stiaen
  • 03-04-2018
(2x² - 8x - 10) ÷ 2 = 0
x² - 4x - 5 = 0
x² + x - 5x - 5 = 0
x(x+1) - 5(x+1) = 0
(x+1)(x-5) = 0
x+1 = 0 or x-5 = 0
x = -1 or x= 5

S = {-1;5}

Answer Link

Otras preguntas

the term magical realism was first used by:
Annie found that 57 students in her school knew French and 23 of those students knew Spanish, as well. There were 11 students who did not know French but knew S
What phase of the menstrucal cycle is associated with fertility?
Which logarithmic graph can be used to approximate the value of y in the equation 3^y = 7? 20 POINTS
During the cold war, United States supported the military dictatorship in
A metal ball with diameter of a half a centimeter and hanging from an insulating thread is charged up with 1010 excess electrons. an initially uncharged identic
Find an equation of the vertical line that passes through (x, y) = (5, 11).
What is the advantage to a sessile animal to produce free swimming larvae?
If a magnetic disc has 100 cylinders, each containing 10 tracks of 10 sectors and each sector can contain 128 bytes, what is the maximum capacity of the disk in
Solve log660 – log630. A. 5 B. log62 C. 2 D. log630